1/4 hp 1075 RPM 115V 1/2" Dia. Shaft Pedestal Fan Motor Leeson # 103713 1/4 hp 1075 RPM, 3.2 amps, 115V 60hz.; Single phase. 1/2" Diameter Shaft; Rotation = Reversible; Ball Bearings 10-32 mounting studs shaft end; Studs extend 1" on 5.14" bolt circle Automatic Overload Protection UL & CSA recognized; single speed